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Table 4 The herd sero prevalence for BVDV, the mean and median within herd BVDV sero prevalence, percentage of herds vaccinating for BVD, and the percentage of herds where a BVDV animal was disclosed

From: Prevalence of Bovine Viral Diarrhoea Virus (BVDV), Bovine Herpes Virus 1 (BHV 1), Leptospirosis and Neosporosis, and associated risk factors in 161 Irish beef herds

Region

BVDV Herd Sero prevalence

BVDV Within Herd Sero prevalence

% BVD vaccination

% herds with BVD virus positive calves

  

Mean

Median

  

1

100

71.7

68

57.1

50

2

100

42.8

37.7

38.9

28

3

100

87.8

93.7

25.0

50

4

100

81

98.1

23.5

18

5

100

69.3

72.9

23.5

23

6

100

80.5

88.4

32.5

35

7

100

88.3

96

36.4

NA

Overall

100

77.7

85.2

32.3

34